lxqt-common: add qtsvg-plugins to RRECOMMENDS
lxqt-common: add qtsvg-plugins to RRECOMMENDS

makes main start menu displaying icon

Signed-off-by: Andreas Müller <d72a15aaaca3a7afa855175c72dc8d2e05931e32@googlemail.com>

schnitzeltony/meta-qt5-extra,schnitzeltony/meta-qt5-extra,schnitzeltony/meta-qt5-extra